var how_many_ads = 3;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
txt="";
url="mailto:jcbracho@hotmail.com";
alt="";
banner="imagenes/diseno_web.gif";
width="240";
height="90";
}
if (ad==2) {
txt="";
url="mailto: jcbracho@hotmail.com";
alt="";
banner="imagenes/editorial.gif";
width="240";
height="90";
}
if (ad==3) {
txt="";
url="http://www.seguransameta.com";
alt="SEGURANSA META";
banner="imagenes/seguransa_meta.gif";
width="240";
height="90";
}
document.write('<center>');
document.write('<a href=\"' + url + '\" target=\"_blank">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0><br>');
document.write('<small>' + txt + '</small></a>');
document.write('</center>');
// JavaScript Document